nuttx/arch/arm/src/sama5/sam_ethernet.c

166 lines
5.0 KiB
C

/****************************************************************************
* arch/arm/src/sama5/sam_ethernet.c
*
* Copyright (C) 2013 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <debug.h>
#include "sam_ethernet.h"
#ifdef CONFIG_NET
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Private Types
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Function: up_gmac_initialize
*
* Description:
* Initialize the GMAC driver
*
* Parameters:
* None.
*
* Returned Value:
* None.
*
****************************************************************************/
#ifdef CONFIG_SAMA5_GMAC
static inline void up_gmac_initialize(void)
{
int ret;
/* Initialize the GMAC driver */
ret = sam_gmac_initialize();
if (ret < 0)
{
nlldbg("ERROR: sam_gmac_initialize failed: %d\n", ret);
}
}
#else
# define up_gmac_initialize()
#endif
/****************************************************************************
* Function: up_emac_initialize
*
* Description:
* Initialize the EMAC driver
*
* Parameters:
* None.
*
* Returned Value:
* None.
*
****************************************************************************/
#ifdef CONFIG_SAMA5_EMAC
static inline void up_emac_initialize(void)
{
int ret;
/* Initialize the EMAC driver */
ret = sam_emac_initialize();
if (ret < 0)
{
nlldbg("ERROR: sam_gmac_initialize failed: %d\n", ret);
}
}
#else
# define up_emac_initialize()
#endif
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Function: up_netinitialize
*
* Description:
* This is the "standard" network initialization logic called from the
* low-level initialization logic in up_initialize.c. If both the EMAC
* and GMAC are enabled, then this single entry point must initialize
* both.
*
* Parameters:
* None.
*
* Returned Value:
* None.
*
* Assumptions:
*
****************************************************************************/
void up_netinitialize(void)
{
/* The first device registered with be ETH0 and the second ETH1 */
#ifdef CONFIG_SAMA5_GMAC_ISETH0
up_gmac_initialize();
up_emac_initialize();
#else
up_emac_initialize();
up_gmac_initialize();
#endif
}
#endif /* CONFIG_NET && CONFIG_SAMA5_EMAC */